X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7f26d744d3e443d08cb485b543f30513f7da3469..56b8ebe99bfcd666e373069b2072291ab5e04ee8:/src/smpi/colls/bcast-SMP-binomial.c

diff --git a/src/smpi/colls/bcast-SMP-binomial.c b/src/smpi/colls/bcast-SMP-binomial.c
index c2b24a4d00..223996096b 100644
--- a/src/smpi/colls/bcast-SMP-binomial.c
+++ b/src/smpi/colls/bcast-SMP-binomial.c
@@ -16,6 +16,9 @@ int smpi_coll_tuned_bcast_SMP_binomial(void *buf, int count,
   size = smpi_comm_size(comm);
   rank = smpi_comm_rank(comm);
 
+  if(size%NUM_CORE)
+    THROWF(arg_error,0, "bcast SMP binomial can't be used with non multiple of NUM_CORE=%d number of processes ! ",NUM_CORE);
+
   int to_intra, to_inter;
   int from_intra, from_inter;
   int inter_rank = rank / NUM_CORE;